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apache / hadoop-site / 952d547359cafef280f0a0324055741b2ed55be1 / . / content / docs / r3.3.1 / hadoop-yarn / hadoop-yarn-server / hadoop-yarn-server-resourcemanager / apidocs / org / apache / hadoop / yarn / server / resourcemanager / scheduler / capacity / CapacitySchedulerContext.html
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<div class="subTitle">org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity</div>
<h2 title="Interface CapacitySchedulerContext" class="title">Interface CapacitySchedulerContext</h2>
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<dt>All Known Implementing Classes:</dt>
<dd><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/CapacityScheduler.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity">CapacityScheduler</a></dd>
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<pre>public interface <span class="typeNameLabel">CapacitySchedulerContext</span></pre>
<div class="block">Read-only interface to <a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/CapacityScheduler.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity"><code>CapacityScheduler</code></a> context.</div>
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<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd">&nbsp;</span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t3" class="tableTab"><span><a href="javascript:show(4);">Abstract Methods</a></span><span class="tabEnd">&nbsp;</span></span></caption>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
</tr>
<tr id="i0" class="altColor">
<td class="colFirst"><code><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/activities/ActivitiesManager.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler.activities">ActivitiesManager</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/CapacitySchedulerContext.html#getActivitiesManager--">getActivitiesManager</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/common/fica/FiCaSchedulerApp.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler.common.fica">FiCaSchedulerApp</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/CapacitySchedulerContext.html#getApplicationAttempt-org.apache.hadoop.yarn.api.records.ApplicationAttemptId-">getApplicationAttempt</a></span>(org.apache.hadoop.yarn.api.records.ApplicationAttemptId&nbsp;attemptId)</code>&nbsp;</td>
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<tr id="i2" class="altColor">
<td class="colFirst"><code><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/CapacitySchedulerQueueManager.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity">CapacitySchedulerQueueManager</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/CapacitySchedulerContext.html#getCapacitySchedulerQueueManager--">getCapacitySchedulerQueueManager</a></span>()</code>&nbsp;</td>
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<tr id="i3" class="rowColor">
<td class="colFirst"><code>org.apache.hadoop.yarn.util.Clock</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/CapacitySchedulerContext.html#getClock--">getClock</a></span>()</code>
<div class="block">Get clock from scheduler</div>
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</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code>org.apache.hadoop.yarn.api.records.Resource</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/CapacitySchedulerContext.html#getClusterResource--">getClusterResource</a></span>()</code>&nbsp;</td>
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<tr id="i5" class="rowColor">
<td class="colFirst"><code><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/ResourceUsage.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler">ResourceUsage</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/CapacitySchedulerContext.html#getClusterResourceUsage--">getClusterResourceUsage</a></span>()</code>&nbsp;</td>
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<tr id="i6" class="altColor">
<td class="colFirst"><code>org.apache.hadoop.conf.Configuration</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/CapacitySchedulerContext.html#getConf--">getConf</a></span>()</code>
<div class="block">Get the yarn configuration.</div>
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<tr id="i7" class="rowColor">
<td class="colFirst"><code><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/CapacitySchedulerConfiguration.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity">CapacitySchedulerConfiguration</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/CapacitySchedulerContext.html#getConfiguration--">getConfiguration</a></span>()</code>&nbsp;</td>
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<tr id="i8" class="altColor">
<td class="colFirst"><code><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/security/RMContainerTokenSecretManager.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.security">RMContainerTokenSecretManager</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/CapacitySchedulerContext.html#getContainerTokenSecretManager--">getContainerTokenSecretManager</a></span>()</code>&nbsp;</td>
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<tr id="i9" class="rowColor">
<td class="colFirst"><code>long</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/CapacitySchedulerContext.html#getLastNodeUpdateTime--">getLastNodeUpdateTime</a></span>()</code>&nbsp;</td>
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<tr id="i10" class="altColor">
<td class="colFirst"><code>org.apache.hadoop.yarn.api.records.Priority</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/CapacitySchedulerContext.html#getMaxClusterLevelAppPriority--">getMaxClusterLevelAppPriority</a></span>()</code>&nbsp;</td>
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<td class="colFirst"><code>org.apache.hadoop.yarn.api.records.Resource</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/CapacitySchedulerContext.html#getMaximumResourceCapability--">getMaximumResourceCapability</a></span>()</code>&nbsp;</td>
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<tr id="i12" class="altColor">
<td class="colFirst"><code>org.apache.hadoop.yarn.api.records.Resource</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/CapacitySchedulerContext.html#getMaximumResourceCapability-java.lang.String-">getMaximumResourceCapability</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;queueName)</code>&nbsp;</td>
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<tr id="i13" class="rowColor">
<td class="colFirst"><code>org.apache.hadoop.yarn.api.records.Resource</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/CapacitySchedulerContext.html#getMinimumResourceCapability--">getMinimumResourceCapability</a></span>()</code>&nbsp;</td>
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<tr id="i14" class="altColor">
<td class="colFirst"><code><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/common/fica/FiCaSchedulerNode.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler.common.fica">FiCaSchedulerNode</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/CapacitySchedulerContext.html#getNode-org.apache.hadoop.yarn.api.records.NodeId-">getNode</a></span>(org.apache.hadoop.yarn.api.records.NodeId&nbsp;nodeId)</code>&nbsp;</td>
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<tr id="i15" class="rowColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/CapacitySchedulerContext.html#getNumClusterNodes--">getNumClusterNodes</a></span>()</code>&nbsp;</td>
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<tr id="i16" class="altColor">
<td class="colFirst"><code><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/preemption/PreemptionManager.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.preemption">PreemptionManager</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/CapacitySchedulerContext.html#getPreemptionManager--">getPreemptionManager</a></span>()</code>&nbsp;</td>
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<tr id="i17" class="rowColor">
<td class="colFirst"><code>org.apache.hadoop.yarn.util.resource.ResourceCalculator</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/CapacitySchedulerContext.html#getResourceCalculator--">getResourceCalculator</a></span>()</code>&nbsp;</td>
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<tr id="i18" class="altColor">
<td class="colFirst"><code><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/RMContext.html" title="interface in org.apache.hadoop.yarn.server.resourcemanager">RMContext</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/CapacitySchedulerContext.html#getRMContext--">getRMContext</a></span>()</code>&nbsp;</td>
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<td class="colFirst"><code><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/SchedulerHealth.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler">SchedulerHealth</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/CapacitySchedulerContext.html#getSchedulerHealth--">getSchedulerHealth</a></span>()</code>&nbsp;</td>
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<tr id="i20" class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/CapacitySchedulerContext.html#isConfigurationMutable--">isConfigurationMutable</a></span>()</code>
<div class="block">Returns if configuration is mutable.</div>
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<h3>Method Detail</h3>
<a name="getConfiguration--">
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<h4>getConfiguration</h4>
<pre><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/CapacitySchedulerConfiguration.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity">CapacitySchedulerConfiguration</a>&nbsp;getConfiguration()</pre>
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<pre>org.apache.hadoop.yarn.api.records.Resource&nbsp;getMinimumResourceCapability()</pre>
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<pre>org.apache.hadoop.yarn.api.records.Resource&nbsp;getMaximumResourceCapability()</pre>
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<h4>getMaximumResourceCapability</h4>
<pre>org.apache.hadoop.yarn.api.records.Resource&nbsp;getMaximumResourceCapability(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>&nbsp;queueName)</pre>
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<h4>getContainerTokenSecretManager</h4>
<pre><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/security/RMContainerTokenSecretManager.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.security">RMContainerTokenSecretManager</a>&nbsp;getContainerTokenSecretManager()</pre>
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<h4>getNumClusterNodes</h4>
<pre>int&nbsp;getNumClusterNodes()</pre>
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<h4>getRMContext</h4>
<pre><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/RMContext.html" title="interface in org.apache.hadoop.yarn.server.resourcemanager">RMContext</a>&nbsp;getRMContext()</pre>
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<pre>org.apache.hadoop.yarn.api.records.Resource&nbsp;getClusterResource()</pre>
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<h4>getConf</h4>
<pre>org.apache.hadoop.conf.Configuration&nbsp;getConf()</pre>
<div class="block">Get the yarn configuration.</div>
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<pre>org.apache.hadoop.yarn.util.resource.ResourceCalculator&nbsp;getResourceCalculator()</pre>
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<h4>getNode</h4>
<pre><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/common/fica/FiCaSchedulerNode.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler.common.fica">FiCaSchedulerNode</a>&nbsp;getNode(org.apache.hadoop.yarn.api.records.NodeId&nbsp;nodeId)</pre>
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<a name="getApplicationAttempt-org.apache.hadoop.yarn.api.records.ApplicationAttemptId-">
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<h4>getApplicationAttempt</h4>
<pre><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/common/fica/FiCaSchedulerApp.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler.common.fica">FiCaSchedulerApp</a>&nbsp;getApplicationAttempt(org.apache.hadoop.yarn.api.records.ApplicationAttemptId&nbsp;attemptId)</pre>
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<pre><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/preemption/PreemptionManager.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.preemption">PreemptionManager</a>&nbsp;getPreemptionManager()</pre>
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<h4>getSchedulerHealth</h4>
<pre><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/SchedulerHealth.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler">SchedulerHealth</a>&nbsp;getSchedulerHealth()</pre>
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<h4>getLastNodeUpdateTime</h4>
<pre>long&nbsp;getLastNodeUpdateTime()</pre>
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<h4>getClusterResourceUsage</h4>
<pre><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/ResourceUsage.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler">ResourceUsage</a>&nbsp;getClusterResourceUsage()</pre>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>QueueCapacities root queue of the Capacity Scheduler Queue, root
queue used capacities for different labels are same as that of the
cluster.</dd>
</dl>
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<h4>getActivitiesManager</h4>
<pre><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/activities/ActivitiesManager.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler.activities">ActivitiesManager</a>&nbsp;getActivitiesManager()</pre>
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<h4>getCapacitySchedulerQueueManager</h4>
<pre><a href="../../../../../../../../org/apache/hadoop/yarn/server/resourcemanager/scheduler/capacity/CapacitySchedulerQueueManager.html" title="class in org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity">CapacitySchedulerQueueManager</a>&nbsp;getCapacitySchedulerQueueManager()</pre>
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<h4>getMaxClusterLevelAppPriority</h4>
<pre>org.apache.hadoop.yarn.api.records.Priority&nbsp;getMaxClusterLevelAppPriority()</pre>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Max Cluster level App priority.</dd>
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<h4>isConfigurationMutable</h4>
<pre>boolean&nbsp;isConfigurationMutable()</pre>
<div class="block">Returns if configuration is mutable.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>if configuration is mutable</dd>
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<h4>getClock</h4>
<pre>org.apache.hadoop.yarn.util.Clock&nbsp;getClock()</pre>
<div class="block">Get clock from scheduler</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Clock</dd>
</dl>
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